&#34;C&#34; clamp



FIG. 1 is a front elevational view of a C-clamp, showing my new design, the rear view being a mirror image thereof;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a C-clamp, as shown and described. 